| Acronym | Meaning |
 | TCAS-II | Traffic Alert And Collision Avoidance System |
| INDOEX | Indian Ocean Experiment |
| PETS | Performance Evaluation And Test System |
| MLT | Magnetic Local Time |
| MMI | Monthly Management Information Report |
| APS | Array Processing System |
| USDA | United States Department Of Agriculture |
| GONG | Global Oscillations Network Group |
| FFRDCS | Federally Funded Research And Development Centers |
| PV | Potential Vorticity |
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